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Improper Initialization Affecting firefox-esr package, versions <68.1.0esr-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Integrity High

    Threat Intelligence

    EPSS 0.16% (52nd percentile)
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NVD
6.5 medium
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Red Hat
6.5 medium
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SUSE
3.4 low

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOXESR-460726
  • published 3 Sep 2019
  • disclosed 27 Sep 2019
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Introduced: 3 Sep 2019

CVE-2019-11747 Open this link in a new tab
CWE-665 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox-esr to version 68.1.0esr-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

The "Forget about this site" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict Transport Security (HSTS) settings received from sites that use it. Due to a bug, sites on the pre-load list also have their HSTS setting removed. On the next visit to that site if the user specifies an http: URL rather than secure https: they will not be protected by the pre-loaded HSTS setting. After that visit the site's HSTS setting will be restored. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.